Presystolic murmur

Presystolic murmur is a type of heart murmur that occurs during the atrial systole phase of the cardiac cycle. It is often associated with conditions such as mitral stenosis and tricuspid stenosis.

Definition

A presystolic murmur is a heart murmur that is heard just before the systole phase of the cardiac cycle. This type of murmur is typically associated with the contraction of the atria and can be indicative of certain heart diseases.

Causes

Presystolic murmurs are often caused by conditions that affect the heart valves, particularly the mitral valve and the tricuspid valve. These conditions can include mitral stenosis, tricuspid stenosis, and atrial fibrillation.

Diagnosis

The diagnosis of a presystolic murmur is typically made through a physical examination, during which a healthcare provider will listen to the patient's heart with a stethoscope. Additional tests, such as an echocardiogram, may also be used to confirm the diagnosis and determine the underlying cause of the murmur.

Treatment

The treatment for a presystolic murmur will depend on the underlying cause. In some cases, medication may be used to manage the condition causing the murmur. In other cases, surgery may be necessary to repair or replace the affected heart valve.

See also

• Heart murmur
• Mitral stenosis
• Tricuspid stenosis
• Atrial fibrillation

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